ratelimit_init
static int ratelimit_init(struct ratelimit *, struct pool *);
ratelimit_init(&rl, &rl_pool);
ratelimit_init(&rl, &rl_pool);
if ((res = ratelimit_init(&cc->cc_ratelimit_v4, pool)) != 0)
if ((res = ratelimit_init(&cc->cc_ratelimit_v6, pool)) != 0) {